public class RedCowForm {
    static String formName;
    RedCow cow;     //内部类声明对象
    RedCowForm() {
    }
    RedCowForm(String s) {
        cow = new RedCow(150,112,5000);
        formName = s;
    }
    public void showCowMess() {
        cow.speak();
    }
    class RedCow {  //内部类的声明
        String cowName = "红牛";
        int height,weight,price;
        RedCow(int h,int w,int p) {
            height = h;
            weight = w;
            price = p;
        }
        void speak(){
            System.out.println("偶是"+cowName+"，身高:"+height+"cm体重:"+weight+"kg，生活在"+formName);
        }
    }               //内部类结束
}                   //外嵌类结束
